Results 91 to 100 of about 22,056,704 (287)
A Rasch and factor analysis of the Functional Assessment of Cancer Therapy-General (FACT-G)
Health and Quality of Life Outcomes, 2007 Background Although the Functional Assessment of Cancer Therapy – General questionnaire (FACT-G) has been validated few studies have explored the factor structure of the instrument, in particular using non-sample dependent measurement techniques, such as
Selby Peter J +3 more
doaj +1 more source
The Rasch sampler is an efficient algorithm to sample binary matrices with given marginal sums. It is a Markov chain Monte Carlo (MCMC) algorithm. The program can handle matrices of up to 1024 rows and 64 columns. A special option allows to sample square
Norman Verhelst +2 more
core
TESOL Quarterly, EarlyView.Abstract Vocabulary knowledge plays a crucial role in L2 proficiency, significantly impacting learners' reading comprehension. Although extensive research has explored whether knowledge of base words extends to recognition of derivational forms, results are inconsistent, especially among learners from non‐Indo‐European linguistic backgrounds.
Mastoor Al‐Kaboody +5 more
wiley +1 more source
Flexible Rasch Mixture Models with Package psychomix [PDF]
Measurement invariance is an important assumption in the Rasch model and mixture models constitute a flexible way of checking for a violation of this assumption by detecting unobserved heterogeneity in item response data.
Carolin Strobl +3 more
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World Journal of Surgery, EarlyView.Long‐term BREAST‐Q outcomes after breast‐conserving therapy (BCT) and mastectomy without reconstruction. Women treated with BCT reported higher psychosocial, sexual, and physical well‐being and greater satisfaction with their breasts than women treated with mastectomy.
Sanna Järvinen +5 more
wiley +1 more source
Anchor selection strategies for DIF analysis: Review, assessment, and new approaches [PDF]
, 2013 Differential item functioning (DIF) indicates the violation of the invariance assumption for instance in models based on item response theory (IRT). For item-wise DIF analysis using IRT, a common metric for the item parameters of the groups that are to ...
Zeileis, Achim +2 more
core +1 more source
Index Insurance and Food Security Among Smallholder Farmers in Southern Mali
Journal of Agricultural Economics, EarlyView.ABSTRACT Climate extremes increasingly threaten food security in low‐ and middle‐income countries, where vulnerable smallholder farmers often lack access to risk mitigation tools. Although index‐based insurance has been promoted as a promising adaptation measure to climate shocks, evidence on its welfare effects, especially on food security, remains ...
Anna Mader, Tim Ölkers, Oliver Mußhoff
wiley +1 more source
Rasch analysis: A primer for school psychology researchers and practitioners
Cogent Education, 2017 In order to progress as a field, school psychology research must be informed by effective measurement techniques. One approach to address the need for careful measurement is Rasch analysis. This technique can (a) facilitate the development of instruments
William J. Boone, Amity Noltemeyer
doaj +1 more source
Using Rasch analysis to form plausible health states amenable to valuation: the development of CORE-6D from CORE-OM in order to elicit preferences for common mental health problems [PDF]
Purpose: To describe a new approach for deriving a preference-based index from a condition specific measure that uses Rasch analysis to develop health states.
Barkham, M +3 more
core
Te Waka Kuaka, Rasch analysis of a cultural assessment tool in traumatic brain injury in Māori [PDF]
, 2017 Background The aim was to examine the validity of a new measure, Te Waka Kuaka, in assessing the cultural needs of Māori with traumatic brain injury (TBI). Methods Māori from around Aotearoa, New Zealand were recruited.
Elder, H. +4 more
core +1 more source